impediment

基本解释n.妨碍，障碍物

网络释义

1)impediment,n.妨碍，障碍物2)obstruction,n.妨碍,障碍物3)PLC,n￡4)N),N）5)N~+,N~+6)n))}seguence,n）}7)A(n),A（n）8)N+,N+9)a_n),a_n）10)content of nitrogen,N%

用法和例句

The effect of single and double strand breakage and its transforming activity of in vitro plasmid DN+A was analysised by 30Kev N++、Ar+ ion beam radiation respectively.

利用 30Kev的N+ 、Ar+ 离子辐照离体质粒DNA ,分析了不同离子对DNA单双链断裂及转化活性的影响。

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